// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-iteratorclose
description: >
  If iterator's "return" method is `null`,
  received non-throw completion is forwarded to the runtime.
info: |
  IteratorClose ( iteratorRecord, completion )

  [...]
  4. Let innerResult be GetMethod(iterator, "return").
  5. If innerResult.[[Type]] is normal,
    a. Let return be innerResult.[[Value]].
    b. If return is undefined, return Completion(completion).

  GetMethod ( V, P )

  [...]
  2. Let func be ? GetV(V, P).
  3. If func is either undefined or null, return undefined.
features: [Symbol.iterator]
---*/

function Test() {
    var iterationCount = 0;
    var returnGets = 0;

    var iterable = {};
    iterable[Symbol.iterator] = function() {
      return {
        next: function() {
          return {value: 1, done: false};
        },
        get return() {
          returnGets += 1;
          return null;
        },
      };
    };

    for (var _ of iterable) {
      iterationCount += 1;
      break;
    }

    assert.sameValue(iterationCount, 1);
    assert.sameValue(returnGets, 1);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
